James t



(No Model.)

J. T.` HAYDEN. HOSE GOUPLING.

No. 503,370. n Patented Au'g.n1\5, 1893.

UNITED STATES PATENT OFFICE.

JAMES T. IIAYDEN, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE CRANE COMPANY, OF SAME PLACE.

HOSE-COUPLING.

SPECIFICATION forming part of Letters Patent No. 503,370, dated August 15, 1893.

Application led May 20,1893. Serial No. 474,929. (No model.)

To all whom t may concern:

3e it known that I, JAMES T. HAYDEN, a citizen of the United States, residing in Chicago, 1n the county of Cook and State of Illinels, have invented certain new and useful Improvements in Hose-Couplings, of which the following is a specification, reference being had' to the accompanying drawings.

This invention relates to improvements in hose couplings especially designed for use in connection with air brakes and in which heretofore 1t has been necessary to adjust the compressor either through the movement of the' back cap closing the opening through which the compressor is inserted into the chamber of the coupling, or else by means of a tool thrust through the port of the coupling.

The prime object of this invention is to en able the adjustment of the gasket compressor independent of any movement of the back cap and without the necessity for the employment of a special tool operating through the port of the coupling, to accomplish the desired adjustment, and yet attain all of the desirable 1advantages of either of such modes of opera lon.

Another object is to have the adjusting device of such character that any of the old form of coupling shells of the Westinghouse type may be employed in connection therewith and thus effect economy in the manufacture and use of the same; and further, have the o peratin g devices of simple and novel construction and capable of manipulation from the exterior of the coupler shell Without moving the back or closing cap thereof and Without the necessity even for uncoupling, and by means of an ordinary monkey or other wrenchor similar tool such as will be found ordinarily in the tool chest of train men. Ihese objects are attained by the devices illustrated in the accompanying drawings in Which-ma Figure l represents a central longitudinal sectlon through a coupling embodying my inventlon, showing the closing cap compressor and adjusting device in elevation; Fig. 2 a transverse vertical section on the line 2-2 of Fig. l looking in the direction indicated by the arrow, and Fig. 3M a modification of my invention.

Similar letters of reference indicate the same parts in the several iigu res of the drawings.

Referring by letter to the accompanying drawings, A indicates the shell or body of the coupling of usual or any desired form and dimensions containing the usual chamber B iu which is located the compressor C for holding the flanged gasket D to its seat in the lateral port of the coupling.

It will of course be understood that the companion coupler is identical with the one shown in the drawings so that when the two are brought together with the lateral ports opposite each other, the gaskets thereof will be forced together so that the air will pass from the chamber of one coupler to the chamber of the other and so on through the train-pipe connectedto each of the couplers by a iiexible hose in the usual manner.

The compressor consists of an annular ring a provided with two or more inwardly curved arms b which meet at the axis of the ring and terminate in a screw-threaded stem c which enters a screwthreaded socket in the adjuster C so that by rotating the latter, the compressor may be caused to approach and recede from the gasket, the compressor being held against rotation by one or more pair of lugs E preferably cast interorly upon the closing back cap F of the coupler shell and embracing one or more of the arms b of the compressor. The back cap F has a screw thread connection with the shell A and is of sufficient diameter to permit the insertion of the adjuster through the opening closed by said cap so that it is unnecessary to cast the shell Aaround the compressor as has heretofore been done.

The adjuster C may be described as composed of three integral parts,first, the cylindrical portion cl which journals in the back cap F at the center thereof and on an axis common to the screw-threaded stem c of the compressor,-second, an annular flange e on the inner end thereof of greater diameter than the cylindrical portion d between which and the back cap is confined a leather, rubber or other suitable Washer f Which'is compressed by the flange When the compressor is tightened on its seat so as to make an air-tight ICG joint between the adjusterand the back cap; and third, a squared or prismatic portion G projecting beyond the rear or outer'face of the back cap for reception of the wrench by i means of which the adjuster may be rotated v ous that other changes might he effected in the construction and arrangement of the parts such as would readily suggest themselves to the skilled mechanic,without a departure from the spirit of my invention. f

A coupler embodying my invention possesses several advantages over the prior forms of couplers of this class known to me, chief among which may be mentioned the comparatively small cost thereof; the readiness and economj7 with which worn parts may be replaced; the facility and ease of adjustment, and the fact that my` back cap compressor and adjuster ,may be employed in connection With any of the old forms of coupler shells of this class.

Other and important advantages are, that no special tool is required for the manipulation of the adjuster, but only the common form of monkey or other wrench; it is not only'unnecessary but is impossible to adjust the compressor through the port of the coupler, which action necessarily requires that the coupling shall be separated whenever a leak is discovered and consequently requires the stoppage of the train on which the couplers are applied; and furthermore, the necessity for casting the coupler shell about the compressor is entirely obviated and the old and cheaper and more convenient method of making the parts separately and afterward assembling them in the completed coupler is rendered possible.

Having described my invention, what I claim as new therein, and desire tc secure by Letters Patent, is

l. In a hose coupler the combination with the gasket compressor and the back cap of the adjuster turning freely in and working through said cap and having a screw thread engagement with the compressor, substantially as described.

2. In a hose coupler, the combination with the compressor provided with a screw-threaded stem and the back cap of an adjuster turning freely in and working through the back cap and provided with a screw-threaded socket Y for the reception ofthe stem of the compressor, substantially as described.

3. In a hose coupler, the combination with the compressor provided with a screw-threaded stem, the back cap and means for preventing the rotation of the compressor, of an adjuster working through and rotating freely in the back cap provided with a screw-threaded socket-for :reception of the stem of the compressor and a washer interposed between a flange or projection on said adjuster and the back cap, substantially as described.

4. In a hose coupler the combination with the gasket compressor, the curvedarms thereof, the screw-threaded stem projecting from saidarms, the back cap and lugs on said cap embracing the arms on the compressor, of an adjuster provided with a screw-threaded socket for reception of the stem of the compressor and comprising a cylindrical body journaled in and Working through the back cap, a squared end projecting beyond the back cap and a flange on the inner end thereof and a washer interposed between said flange and the back cap, substantially as described.

JAMES T. I-IAYDEN.

"Witnesses:

TODD MASON, V. HUGO. 

